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In Vivo Imaging and Tracking of Technetium-99m Labeled Bone Marrow Mesenchymal Stem Cells in Equine Tendinopathy
Published on: December 9, 2015
Comparison of Tc-99m MDP and Sm-153 EDTMP bone scan
Krishnakumar Ramachandran1, Kathiresan, Balkis Begum
1Department of Nuclear Medicine, Cancer Institute (WIA), Adyar, Chennai, India.
Summary
This study compares bone scans using technetium-99m methylene diphosphonate (MDP) and samarium-153 ethylene diamine tetra methylene phosphonate (EDTMP) for prostate cancer bone metastases. Both imaging agents show similar patterns of skeletal uptake in advanced prostate cancer.
Area of Science:
- Nuclear medicine
- Oncology
- Radiopharmaceuticals
Background:
- Prostate cancer management often involves monitoring for bone metastases.
- Hormonal therapy and surgical interventions like bilateral orchidectomy are common treatments.
- Radiopharmaceuticals play a crucial role in diagnosing and managing skeletal complications.
Observation:
- A 72-year-old male with advanced prostate cancer presented with multiple bone metastases.
- The patient received treatment with samarium-153 ethylene diamine tetra methylene phosphonate (EDTMP).
- A comparative analysis was performed between technetium-99m methylene diphosphonate (MDP) and (153)Sm EDTMP bone scans.
Findings:
- Both (99m)Tc MDP and (153)Sm EDTMP bone scans demonstrated comparable skeletal uptake patterns.
- The imaging features of these radiopharmaceuticals were similar in visualizing bone metastases.
- (153)Sm EDTMP offers therapeutic benefits in addition to diagnostic imaging.
Implications:
- This comparison aids clinicians in understanding the utility of different bone scan agents for prostate cancer.
- Similarities in skeletal uptake suggest that (99m)Tc MDP can be a reliable diagnostic tool.
- (153)Sm EDTMP provides a dual diagnostic and therapeutic approach for metastatic bone disease.
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